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Describe how you would distinguish between separate samples of the two 2 0 4 stereoisomers of CH3CH2CH2CH2CH(OH)CN [2 marks]

(Plane) polarised lightEnantiomers would rotate light in opposite directions
ill explain in more detail.

Answered by Aitisam J. • Chemistry tutor

9333 Views

How do you describe the process of recrystallisation to purify a product?

When describing the process of recrystallisation, it is important that every step is mentioned. Firstly, the impure product must be dissolved in a minimum amount of hot solvent. The hot s...

Answered by Chris R. • Chemistry tutor

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Propane and Chlorine react in the presence of UV light to give 2-chloropropane and HCl. Estimate the enthalpy change of this reaction using the following bond enthaplies (KJ/mol) : C-H=+413, Cl-Cl=+243, C-Cl=+346 and H-Cl=+432.

Write equation, ensuring both sides are balanced.CH₃CH₂CH₃+ Cl₂→ CH₃CH(Cl)CH₃+ HCl (2.) Draw structural formula of all reactants ...

Answered by Jasmine W. • Chemistry tutor

30005 Views

Deduce the main organic product for the reaction of benzene with nitric acid in the prescence of sulfuric acid, and provide a complete mechanism for this reaction. (5 marks)

The answer to this question mostly involves drawing of chemical structures and mechanistic arrows.The organic product is nitrobenzene, which students would draw out as part of the mechanism, but must also...

Answered by Erin B. • Chemistry tutor

2670 Views

a.) What is the definition of ionisation energy? b.) Explain trends in ionisation energy within the periodic table

a.) Ionisation energy is the energy required to remove the most loosely bound electron from an element.b.) Ionisation energy decreases down a group due to increasing electron shielding, this decreases the...

Answered by Vishal L. • Chemistry tutor

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